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| author | Marijn Haverbeke <[email protected]> | 2011-05-06 22:13:13 +0200 |
|---|---|---|
| committer | Marijn Haverbeke <[email protected]> | 2011-05-06 22:51:19 +0200 |
| commit | a3ec0b1f643d00b9418e4884bd7caa07bf052201 (patch) | |
| tree | 82000510ac9c9cf3f0c7cf4ae5f3c6b123b559cb /src/lib/Util.rs | |
| parent | Register new snapshots. (diff) | |
| download | rust-a3ec0b1f643d00b9418e4884bd7caa07bf052201.tar.xz rust-a3ec0b1f643d00b9418e4884bd7caa07bf052201.zip | |
Rename std modules to be camelcased
(Have fun mergining your stuff with this.)
Diffstat (limited to 'src/lib/Util.rs')
| -rw-r--r-- | src/lib/Util.rs | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/src/lib/Util.rs b/src/lib/Util.rs new file mode 100644 index 00000000..a385aafd --- /dev/null +++ b/src/lib/Util.rs @@ -0,0 +1,33 @@ +fn id[T](&T x) -> T { + ret x; +} + +/* FIXME (issue #141): See test/run-pass/constrained-type.rs. Uncomment + * the constraint once fixed. */ +type rational = rec(int num, int den); // : Int.positive(*.den); + +fn rational_leq(&rational x, &rational y) -> bool { + // NB: Uses the fact that rationals have positive denominators WLOG. + ret x.num * y.den <= y.num * x.den; +} + +fn fst[T, U](&tup(T, U) x) -> T { + ret x._0; +} + +fn snd[T, U](&tup(T, U) x) -> U { + ret x._1; +} + +fn orb(&bool a, &bool b) -> bool { + ret a || b; +} + +// Local Variables: +// mode: rust; +// fill-column: 78; +// indent-tabs-mode: nil +// c-basic-offset: 4 +// buffer-file-coding-system: utf-8-unix +// compile-command: "make -k -C .. 2>&1 | sed -e 's/\\/x\\//x:\\//g'"; +// End: |